Element block pseudo-element :before generated with position static cursor default border 0px rgba(0,0,0,1) solid border-radius transform margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none line-height 1 font-weight normal z-index auto padding 20px transition height auto overflow hidden font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) background width 160px display block box-sizing content-box